Telephony.



'PATENTED' MAY 19, 1903-.

R. H; YURGAE;

TELEPHONY.

APPLIOATION FILED mm. 24, 1902.

BEETS-SHEET 1- 10 MODEL.

z NORRIS PETERS co. wow L No. 728,350. I PATENTED MAY 19, 1903.

R. YURGAE. TELEPHONY.

APPLIOA'TION FILED NOV. 24, 1902.

3 SHEETS-SHEET 2.

no MODEL.

N 728,350. PATENTED MAY 19, 1903'.

' -RY. H.-YURGAE. J 7' Y TELEPHONY;

APPLIOATION FILED NOV. 24, 1902. o momm. I

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UNITE STATES, IPATEN'T Patented May 19, 1903.

OFFICE.

ROBERT H. YURGAE, OF MILWAUKEE, WISCONSIN, ASSIGNOR TO SIGNAL- PHONE COMPANY, OF MILWAUKEE, WISCONSIN.

TELE'PHQNY.

srncrmcnzrron forming part of Letters ra t 15,728,350, dated m 19, 19cc.

Application filed November 24,1902. Serial F0. 132,536. NomodelJ p i I i To all whom it mag concern:

Be it known that I, ROBERT H. YURGAE,

a citizen of theUnited States, and a resident of Milwaukee, in the 'countyofMilwaukee and 5 State of Wisconsin,h'av,e invented certain new and useful Improvements in Telephony; and

I do hereby declare that the following is a'full, clear, and exact description thereof.

My invention relates to electric-telephone IO systems in which provision is had for direct calling and talking" connection of any one with any other station of the same system,

the object of this invention being to organize the telephone apparatus at each station with [5 reference to the utilization of the receiverelevation of telephone apparatus in accordance with my invention, parts being removed and in section, the receiver-hanger being shown in normal position bydotted lines and in a manually adju'sted position byfull lines;

Fig. 2, a side elevation of said apparatus,

partly in section, said receiver-hook being in the adjusted position shown 'in the first'figure; Figs. 3, 4, and 5, detail sectional views 3 respectively indicated by lines 3 3', 4 4, and 5 5 in said first figure Fig. 6, a detail front elevation illustrating the receiver on hanger and a pointer in connection with said hanger to move therewith opposite an adjacent sta- 0 tionary index,and Fig. 7 a diagram illustrating a carrying out of my invention.

Referringby letter to the drawings, A indicates the transmitter, B the induction-coil,

O the receiver, and D the audible signal de- 5 vice, of a telephone apparatus, this signal device in, the presentshowing being an electric bell. The telephone apparatushereins'hown also includas a push-button E, by which to close a calling-circuit; but other means suit- 5o able for the same purpose may be substituted.

The receiverhanger F of .the telephone apparatus issh'ow'nin sliding connection with a vertical rod G, set in a box H, attached to the frontof a' 'w'all 'pieceI, and thisv box is provided with a vertical side recessin which said hanger has play. Alat'eral stud hot the receiver-hanger extends through a vertical slot in the preferably removable front of box. *H, and held one. shouldered portionfof-tthe stud by a nut c is a' horizontal pointer J that moves parallel to said box-front opposite: an index thereon that corresponds to a plurality of spring-contacts in an electric switch that also comprises a vertical conductor-bar K, facing said contacts. ably a series of numbers, and said spring- I contacts are herein indicated by similar num-' bers, each of these contacts being in electric" connection with a similar element of the switches at the other stations in the system,

is provided with a lugf, that extends through '80 'the'shell portion of said shank to be at times in frict-ionalcontact with rod G, and thereby clutch the hanger inadjusted position on the ;full round portion of said -rod. The other bent end of spring e engages a side recess in 8 5 the receiver-hanger shank and abuts the inner end of a bolt g, loosein said shank. The

outer end of the bolt is in the way of the receiver C, and a lug h of said bolt has-play in A aslotlongitudinally of the receiver-hanger; o

The'r'e'c'eiVer being ofi hanger and the latter clutched on rod G, return. of said receiver to the hanger will retract the bolt to unclutch said hanger and permit automatic returnof same'to normal position. 5 Depending from the receiver-hanger is an' insulation-lug t', and a spring-contact jin the path of this lug is for electrical connection with a battery or other sourceofelectrical energy, this contact being fast at one end to lo: aninsulation-block L on the bottom of the box aforesaid. Other contacts is m 91., arranged The index is prefer 6 V on the insulation-block, are respectively for electrical connection with signal D and the primary and secondary of coil 13, above specified. When there is pressure of hanger-lug 11 on contact j, due to the hung-up receiver, said contact is away from the ones m n and on the one 7;; but said receiver being taken off hanger there is automatic recoil of contactj from the contact 7a to close on the contacts m at, there being corresponding automatic lift of the receiver-hanger F on the slabbed portion of rod G, above specified.

The inner end of the receiver-hanger carries insulation, preferably in the form of a roller 1), that operates by adjustment of said hanger to move some one of the aforesaidspring-contacts in the numerically-indicated series against bar K of the electric switch that is common to the calling and talking circuits of all the telephone-stations in the system, said contacts and bar of the switch being fast on an insulating-block M in the box H aforesaid.

The electrical connections at each telephone-station are such with respect to the numerically-indicated spring-contacts and bar K of the electric switch that any other telephone-station in the same system can be called direct subsequent to the taking of the receiver at the calling-station olf hook to permit shift of spring-contact j from contact to contacts m n, whereby-the signal at said calling telephone-station is cut out and the induction-coil at the same station cut in, a like result occurring at the called station when receiver thereat is taken 0% hanger. The lower one of the numerically-indicated spring-contacts at each station is normally in touch with the opposing bar K, and its number agrees with that of said station.

Referring particularly to the diagram Fig. 7, the receiver at telephone-station No. l is off hanger, and the hanger itself has been manually adjusted to put spring-contact 2 into touch with switch-bar K, from which spring-contact Z has recoiled, contact j having in the meantime shifted from contact 70 to contacts m n, so if there be manipulation of push-button E the result will be a call at station No. 2, the calling-circuit tracing from said push-button to one side of battery N, through the battery to contactj at No. 2 station, through bellD at this station, and back through the intercommunicating switch at No. 1 station to said push-button. No. 2 station having been called and the receiver thereat taken off hanger, this hanger will be lifted by shift of spring-contactj at the same station from opposing call-circuit contact 70 to opposing induction-coil contactsmn; but spring-contact 2 at this station remains in touch with the opposing switch-bar K, there being clearance at the lower end of rod G, as

above described, to prevent clutching of said hanger thereon, except when manually adjusted to force some one of the other numerically indicated spring contacts into touch with said bar. A talking-circuit will now he established between the stations aforesaid, and from one side of the transmitter at each station the circuit can be traced to the battery, through the same to contact j and induction-coil B, back to the other side of said transmitter, and from one side of each receiver circuit can be traced through open push-button and intercommunicating switch at the same station, thence on to the intercommunicating switch, open push-button, re-

ceiver, coil, and spring-contactj at the other station, back on one side of the battery, and through contactj and coil at the starting-station into the other side of the receiver at which the trace began.

The telephone system is a common return system with a single source of electrical energy for both calling and talking purposes; but the intercommunicating apparatus set forth as employed at each station may be utilized in various well-known telephone systerns.

Having thus described my invention, What I claim as new, and desire to secure by Letters Patent, is

1. An electric-telephone apparatus comprising call-sending and call-receiving mechanism, a transmitter, receiver, inductioncoil and switch; the switch consisting of a main contact and a series of spring-contacts opposed thereto, each spring-contact being for electric connection with a like element in a switch constituting part of electric-telephone apparatus similar to that aforesaid at each of a plurality of stations in the same system, the main contact being electrically connected to be alternately in calling or talking circuit at its own station, an insulated movable hanger that in normal position closes one of said spring-contacts against said main contact, manual adjustment of the hanger serving to clear this spring-contact and close another in the series against the aforesaid main contact, said hanger being returned to normal position from any adjustment by weight of the telephone-receiver hung thereon, and means cooperative with said hanger to control alternate cutting in and out of the telephone call-signal and induction-coil.

2. An electric-telephone apparatus comprising call-sending and call-receiving mechanism, a transmitter, receiver, induction-coil and switch; the switch consisting of a main contact and a series of spring-contacts 0pposed thereto, each spring-contact being for electric connection with a like element in a switch constituting part of electric-telephone apparatus similar to that aforesaid at each of a plurality of stations in the same system, the main contact being electrically connected to be alternately in calling or talking circuit at its own station, an insulated movable hanger that in normal position closes one of said spring-contacts against said main contact, manual adjustment of the hanger serving to clear this spring-contact and close another in the series'against the aforesaid main contact, said hanger being returned to normal position from any adjustment by weight-of the telephone-receiver hung thereon, means cooperative with said hanger to control alternate cutting in and out of the telephone call-signal and induction-coil, an index for the spring-contacts aforesaid, and an index-pointer carried by the hanger.

3. An electric-telephone apparatus comprising call-sending and call-receiving mechanism, a transmitter, receiver, induction-coil and switch, the switch consisting of a main contact and a series of spring-contacts opposed thereto, each spring-contact being for electric connection with a like element in a switch constituting part of electric-telephone apparatus similar to th'ataforesaid at each of a plurality of stations in the same system, the main contact being electrically connected to be alternately in calling or talking circuit at its own station, an insulated movable hanger that innormal position closes one of said spring-contacts against said main contact, manual adjustment of the hanger serving to clear this spring-contact and close another in the series against theaforesaid main contact,

' mechanism with the hanger automatically opengagement with the rod and which in norerative to clutch the same in manually-adjusted position when the telephone-receiver is removed therefrom, there being automatic release of the clutch mechanism and return of said hanger to normal position from any adjustment when the receiver is hung thereon, and means cooperative with the aforesaid hanger to control alternate cutting in and out of the telephone call-signal and inductioncoil.

4:. An electric-telephone apparatus comprising call-sending and call-receiving mechanism, a transmitter, receiver and switch, the switch consisting of a main contact and a series of spring-contacts opposed thereto, each springcontact being for electric connection with a like element in a switch constituting part of electric-telephone apparatus similar to that aforesaid at each of a plurality of stations in the same system, the main contact being electrically connected to be alternately in calling or talking circuit at its own station; a vertical rod, an insulated hanger in sliding mal position closes one of said spring-cont acts against said main contact, manual adjustment of the hanger on said rod serving to clear this spring-contact and close another in the series against the aforesaid main contact, means with the hanger for automatically clutching the same in manually-adjusted position when the telephone-receiver is removed therefrom, there being automatic unclutch of said hanger and automatic return of same to normal position from any adjustment when said receiver is hung thereon, and means cooperative with the aforesaid hanger to control alternate cutting in and out of the tele-' phone call-signal and induction-coil.

5. An electric-telephone apparatus comprising call-sending and call-receiving mech-- anism, a transmitter, receiver, induction-coil and switch, the switch consisting of, a main contact-piece and a series of spring-contacts opposed thereto, each spring-contact being for electric connection with a like element in a switch constituting part of an electric-telephone apparatus similar to that aforesaid at each of a plurality of stations in the same system, the main contact being electrically connected to'the calLsending mechanism at its own station, an insulated movable hanger that in normal position closes one of said spring-contacts against said main contact, manual'adjustment of the hanger serving to clear this spring-contact and close another in the'series against the aforesaid main contact, this hanger being returned to normal position from any adjustment by weight of the telephone-receiver hung thereon, a contact constituting part of the call-receiving circuit, other contacts in electric connection with the primary and secondary of theinduction-coil, a line-terminal spring-contact arranged between the call-circuit and induction-coil contacts, and an insulation-lugwith the receiverhanger that normally holds the line-terminal contact'against said call-circuiteontact, there being recoil of said line -terminal contact against the opposing induction-coil contacts when the receiver aforesaid is taken from its hanger.

6. An electric-telephone station equipped with the usual means for verbal communication, a calling mechanism, call-receiving mechanism and a vertical switch, the latter being electrically connected to-its counterpart at each of a plurality of stations in the same normal position causes cut-in of the call-re ceiving mechanism simultaneously with a cut-out of the means for verbal communication, at the same station, the reverse being a result when said receiver is removed from said hanger which latter has direct return from any adjustment to said normal position by gravitation when the aforesaid receiver is hung thereon.

7. An electric-telephone station eduipped with the usual means for verbal communication, a calling mechanism, call-receiving mechanism and a switch, the latter being electrically connected to its counterpart at each of a plurality of stations in the same system, a hanger for the receiver at each station adjustable along the switch to connect the corresponding station with any other in the system for calling and talking purposes, means looking the hanger in adjusted position when the receiver is removed therefrom, restoration of said receiver resulting in direct automatic return of said hanger to normal position by gravitation, and means whereby the aforesaid hanger in normal position causes cut-in of the call-receiving, mechanism simultaneously with a cut-out of the means for verbal communication at the same station, the reverse being a result when there is separation of receiver and hanger.

8. A station equipped with an electric-telephone apparatus, a calling mechanism and a call-receiving mechanism, an adjustable hanger for the telephone-receiver, a locking means and an indicator with the hanger, and a selective switch operated by said hanger and electrically connected to a similar switch at each of a plurality of stations in the same system, whereby the movement of said hanger in an upward direction and removal of said receiver cuts in the desired station and locks the hanger in adjusted position, hanging up of the receiver serving to unlock the hanger and restore the switch to home stop directly by the action of gravitation.

9. A station equipped with an electric-telephone apparatus, a calling mechanism and a call-receiving mechanism, an adjustable hanger for the telephone-receiver, locking means with the hanger, and a selective switch operated by the hanger and electrically connected to asimilar switch ateach ofa plurality of stations in the same system whereby move ment of said hanger in an upward direction and removal of said receiver cuts in the desired station and locks the hanger in adjusted position, hanging up of the receiver serving to unlock the hanger and restore the switch to home stop directly by the action of gravitation.

In testimony that I claim the foregoing I have hereunto set my hand, at- Milwaukee, in the county of Milwaukee and State of Wisconsin, in the presence of two witnesses.

ROBERT II. YURGAE.

Witnesses:

N. E. OLIPHANT, B. C. RoLoFF. 

